removing Lime fron Honey Onyx

I have lime stains (very green) on my Honey Onyx mosaic( and large) tiles that are in my shower. My well water obviously contains lime and I need to know how to remove it without damaging the stone. Thank you, Susan

 

Dear Susan:

In the stone business there's only one instance – and one instance only – when the perceived problem corresponds exactly to the actual problem: when a piece of stone is broken – End of the list. In all other instances, the perceived problem could be the actual problem, but then again, it could not be.

I've received reports about (and personally witnessed) countless cases of “lime deposits” in natural stone shower stalls. Only a small fraction of those cases were actual lime deposits.

Now you're telling me that your “lime stains” are very green… There are only two chances to that: no way and now how!

What you most likely have is a severe case of efflorescence.

Check your grout and caulk lines and you will see that grout and caulk are either missing or cracked. (Maybe the installer felt like being “Italian” that day and installed your tiles "butt-joint”…). If that's the case, water found its way behind and under your tiles and is now finding its way out through the core of the stone via osmosis, thus creating the “green lime”.

If you could send me a few pictures of your stall I would be able to verify my suspicions and tell you what to do next, or to put your heart at ease and tell you what to get to clean the lime deposit off.

May I ask you now to please read and e-sign our Statement of Purpose at: http://www.marblecleaning.org/purpose.htm? J

Ciao and good luck,

Mauri z io Bertoli

 

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